Diesel-powered vehicles require diesel exhaust fluid to reduce engine emissions, making them less harmful to the environment and safer to drive.

Your car's exhaust system is designed to flow out of the engine, through emissions equipment like catalytic converters, resonators and mufflers to keep it quiet, and out the back, away from where ...

The turbocharger is more popular than ever, appearing on the Ford Mustang, the Dodge Charger, and the Chevrolet Corvette.

The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the ...

You might expect that catless downpipes, which lack a catalytic converter, would outperform catless ones. But as the old song ...

Don't ignore what your car is trying to tell you. Here are four critical indicators that your card engine is on the verge of ...

Experience the legendary Bugatti EB110 with a custom exhaust setup, unleashing the incredible sound of its quad turbo V12 engine. This video captures everything from startup and revs to full throttle ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

Two-stroke engines have their uses, but they are seen as environmentally unfriendly today. But why do they have that reputation, and is it deserved?

BMW has a long history of engineering excellence, and since the beginning of this century has produced some iconic ...

This pony car represents the closing chapter of traditional American muscle car performance, and collectors are taking notice ...

EcoPro HN and HD Korea Shipbuilding & Offshore Engineering have jointly developed an exhaust gas after-treatment system designed for ammonia-fuelled engines. The system was tested in a land-based ...